### What is an 18 sided shape?

Octadecagon Octadecagon.

An 18-sided polygon, sometimes also called an octakaidecagon

### What is a 14 sided shape called?

tetradecagon In geometry, a tetradecagon or tetrakaidecagon or 14-gon is a fourteen-sided polygon.

### What is a 50 sided shape called?

pentacontagon In geometry, a pentacontagon or pentecontagon or 50-gon is a fifty-sided polygon. The sum of any pentacontagon’s interior angles is 8640 degrees. A regular pentacontagon is represented by SchlÃ¤fli symbol {50} and can be constructed as a quasiregular truncated icosipentagon, t{25}, which alternates two types of edges.

### What is a 100 sided shape called?

hectogon In geometry, a hectogon or hecatontagon or 100-gon is a hundred-sided polygon. The sum of all hectogon’s interior angles are 17640 degrees.

### What is a 39 sided shape called?

Systematic polygon names Tens final suffix30triaconta–gon40tetraconta-50pentaconta-60hexaconta-5 more rows

### What is a 32 sided shape called?

triacontadigon In geometry, a triacontadigon (or triacontakaidigon) or 32-gon is a thirty-two-sided polygon. In Greek, the prefix triaconta- means 30 and di- means 2.

### What is a 70 sided shape called?

heptacontagon In geometry, a heptacontagon (or hebdomecontagon from Ancient Greek á¼‘Î²Î´Î¿Î¼Î®ÎºÎ¿Î½Ï„Î±, seventy) or 70-gon is a seventy-sided polygon. The sum of any heptacontagon’s interior angles is 12240 degrees.

### What is a 16 sided shape called?

hexakaidecagon In mathematics, a hexadecagon (sometimes called a hexakaidecagon or 16-gon) is a sixteen-sided polygon.

### What is a shape with 99 sides called?

Self. Properties. Convex, cyclic, equilateral, isogonal, isotoxal. In geometry, an enneacontagon or enenecontagon or 90-gon (from Ancient Greek á¼‘Î½Î½ÎµÎ½Î®ÎºÎ¿Î½Ï„Î±, ninety) is a ninety-sided polygon. The sum of any enneacontagon’s interior angles is 15840 degrees.

### What is a shape with 20 sides called?

Icosagon In geometry, an icosagon or 20-gon is a twenty-sided polygon. The sum of any icosagon’s interior angles is 3240 degrees.

### What is a 17 sided shape?

heptadecagon In geometry, a heptadecagon or 17-gon is a seventeen-sided polygon.

### What’s a 13 sided shape called?

tridecagon In geometry, a tridecagon or triskaidecagon or 13-gon is a thirteen-sided polygon.

### What is the hardest shape?

In geometry, the rhombicosidodecahedron, is an Archimedean solid, one of thirteen convex isogonal nonprismatic solids constructed of two or more types of regular polygon faces.It has 20 regular triangular faces, 30 square faces, 12 regular pentagonal faces, 60 vertices, and 120 edges.More items…

### What’s a 19 sided shape called?

enneadecagon In geometry an enneadecagon or enneakaidecagon or 19-gon is a nineteen-sided polygon.

### What is a 24 sided shape called?

icositetragon In geometry, an icositetragon (or icosikaitetragon) or 24-gon is a twenty-four-sided polygon. The sum of any icositetragon’s interior angles is 3960 degrees.

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